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Discontinued Operations - results of operations (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022
Discontinued Operations and Disposal Groups [Abstract] |  |  |  |
Revenues | $ 1,056,932 | $ 782,850 | $ 2,926,151 | $ 2,725,570
Cost of goods sold | 1,154,200 | 673,046 | 2,539,316 | 2,340,259
Gross Margin | (97,268) | 109,804 | 386,835 | 385,311
Operating Expenses |  |  |  |
Operations | 173,825 | 171,055 | 383,805 | 332,838
Research and development | 31,054 | 87,958 | 77,303 | 170,764
Sales and marketing | 287,413 | 168,013 | 691,517 | 363,291
General and administrative | 9,982 | 104,323 | 53,588 | 159,484
Total operating expenses | 502,274 | 531,349 | 1,206,213 | 1,026,377
Operating loss | (599,542) | (421,545) | (819,378) | (641,066)
Other (income) expense |  |  |  |
Interest expense |  |  | 22,856 |
Other, net | (31) | (8,050) | (150) | (8,174)
Net loss from discontinued operations | $ (599,511) | $ (413,495) | $ (842,084) | $ (632,892)

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